Package org.ametys.web.cache

Class InvalidateCacheOnResourceUpdateObserver

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.web.cache.InvalidateCacheOnResourceUpdateObserver

All Implemented Interfaces:

Observer, LogEnabled, Prioritizable, Supporter<Event>

public class InvalidateCacheOnResourceUpdateObserver
extends AbstractLogEnabled
implements Observer

Observer for listening resource changes in order to invalidate cache on front-office.

Field Summary

Fields inherited from interface org.ametys.core.observation.Observer

MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor	Description
InvalidateCacheOnResourceUpdateObserver()

Method Summary

Modifier and Type	Method	Description
int	getPriority()	Get the priority for the component.
void	observe(Event event, Map<String,Object> transientVars)	Observes an event.
boolean	supports(Event event)	Check if an element is supported

Methods inherited from class org.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.ametys.core.observation.Observer

getTraits

Constructor Details

InvalidateCacheOnResourceUpdateObserver

public InvalidateCacheOnResourceUpdateObserver()

Method Details

getPriority

public int getPriority()

Description copied from interface: Prioritizable

Get the priority for the component. On components using Prioritizable interface, each implementation define the order. In most cases, less is the number, more prior is the component.

Specified by:

getPriority in interface Prioritizable

Returns:

the priority

supports

public boolean supports(Event event)

Description copied from interface: Supporter

Check if an element is supported

Specified by:

supports in interface Supporter<Event>

Parameters:

event - The element

Returns:

true if the element is supported, false otherwise

observe

public void observe(Event event,
 Map<String,Object> transientVars)
             throws Exception

Description copied from interface: Observer

Observes an event.

Specified by:

observe in interface Observer

Parameters:

event - the event.

transientVars - transientVars passed from one Observer to another when processing a single Event. This may allow optimizations between observers.

Throws:

Exception - if an error occurs. All exceptions will be logged but not propagated, as the observation mechanism should never fail.